public void GetCache_InvokeWithoutParent_ReturnsNull(object instance)
{
var provider = new SubTypeDescriptionProvider();
Assert.Null(provider.GetCache(instance));
// Call again.
Assert.Null(provider.GetCache(instance));
}
public void GetCache_InvokeWithParent_ReturnsExpected(object instance, IDictionary result)
{
var mockParentProvider = new Mock <TypeDescriptionProvider>(MockBehavior.Strict);
mockParentProvider
.Setup(p => p.GetCache(instance))
.Returns(result)
.Verifiable();
var provider = new SubTypeDescriptionProvider(mockParentProvider.Object);
Assert.Same(result, provider.GetCache(instance));
mockParentProvider.Verify(p => p.GetCache(instance), Times.Once());
// Call again.
Assert.Same(result, provider.GetCache(instance));
mockParentProvider.Verify(p => p.GetCache(instance), Times.Exactly(2));
}